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STD 11 - 12. limits — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsSTD 11 - 12. limits1 Mark
MCQ
$\mathop {\lim }\limits_{x \to \pi /6} \frac{{{{\cot }^2}\theta - 3}}{{{\rm{cosec}}\theta - 2}} = $
  • A
    $2$
  • ✓
    $4$
  • C
    $6$
  • D
    $0$
✓

Answer

Correct option: B.
$4$
b
(b)$\mathop {\lim }\limits_{x \to \pi /6} \,\frac{{\cos e{c^2}\theta - 4}}{{\cos ec\,\theta - 2}} = \mathop {\lim }\limits_{x \to \pi /6} \,\cos ec\theta + 2 = 4.$

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